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The required
exit stairway enclosures shall be separated by a distance not less than 30 feet (91 440 mm) or one-fourth of the length of the maximum overall diagonal dimension of the building or area to be served, whichever is less. The distance shall be measured in a straight line between the nearest points of the
exit stairway enclosures. In buildings with three or more
exit stairway enclosures, at least two of the
exit stairway enclosures shall comply with this section.
Stairs sharing any common wall, floors, ceilings,
scissor stair assemblies, or other enclosures shall be counted as one
exit stairway.
Exception: Group R-2
occupancies.
Related Code Sections
The required exit stairway enclosures shall be separated by a distance not less than 30 feet (91 440 mm) or one-fourth of the length of the maximum ...
as is practicable. Where this results in a distance between exits exceeding the maximum travel distances required by section 27-357, additional remote vertical exits shall be provided. (b) In addition to the requirements of subdivision (a) of this section: (1) For exits serving spaces classified in occupancy groups G or J-2, in no event shall such exits be less than fifteen feet distant from each other. (2) For exits serving spaces classified in other occupancies, in no event shall such distance be less than thirty feet or one-third the maximum travel distance required by section 27-357, whichever is greater. (c) On any floor containing ten thousand square feet or more in a high rise building classified in occupancy group E (office space), each exit that is required to be remote from another exit shall not share any common walls, floors, ceilings, scissor stair assemblies, or other enclosures ...
Required exits shall be located in a manner that makes their availability obvious. Exits shall be unobstructed at all times. Exit and exit access doorways shall be arranged in accordance with Sections 1015.2.1 and 1015.2.2. Where two exits or exit access doorways are required from any portion of the exit access, the exit doors or exit access doorways shall be placed a distance apart equal to not less than one-half of the length of the maximum overall diagonal dimension of the building or area to be served measured in a straight line between exit doors or exit access doorways. Stairs sharing any common wall, floors, ceilings, scissor stair assemblies, or other enclosures shall be counted as one exit stairway. Exceptions: 1. Corridor measurements. Where exit enclosures are provided as a portion of the required exit and are interconnected by a 1-hour fire-resistance-rated corridor conforming to the requirements of Section 1018, the required exit separation shall be measured along the shortest direct line of travel within the corridor. 2. Remote location ...
Where two exits or exit access doorways are required from any portion of the exit access, the exit doors or exit access doorways shall be placed a distance apart equal to not less than one-half of the length of the maximum overall diagonal dimension of the building or area to be served measured in a straight line between exit doors or exit access doorways. Stairs sharing any common wall, floors, ceilings, scissor stair assemblies, or other enclosures shall be counted as one exit stairway. Exceptions: 1. Corridor measurements. Where exit enclosures are provided as a portion of the required exit and are interconnected by a 1-hour fire-resistance-rated corridor conforming to the requirements of Section 1016, the required exit separation shall be measured along the shortest direct line of travel within the corridor. 2. Remote location ...
1. There shall be at least two independent exits, remote from each other, from every floor of a building, except that only one exit may be provided from floors in: (a) One and two family dwellings. (b) Buildings classified in occupancy group J-2 of noncombustible construction group I or occupancy group E that are not more than sixty feet in height, have a gross area of two thousand square feet or less per floor, and have a maximum travel distance of fifty feet on any floor. (c) Buildings classified in occupancy group J-1 or J-2 that are not more than two stories and thirty feet in height and have a maximum travel distance of eighty feet and the corridors and stair enclosure ...